package practice;

import com.sun.scenario.effect.impl.sw.sse.SSEBlend_SRC_OUTPeer;

import java.util.Scanner;

public class StringP2 {
    public static void main(String[] args) {
      Scanner stdIn=new Scanner(System.in);
      String s1=stdIn.next();
      String s2=stdIn.next();
////      String s1="abc";
////      String s2="abc";
      if (s1==s2)
          System.out.println("s1==s2");
      else
          System.out.println("s1!=s2");


//        System.out.print(s1.charAt(4));
//        System.out.print(s1.charAt(5));
//        System.out.print(s1.charAt(6));
    }
}
